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A-LevelBiologyNucleic acids and protein synthesis9700/12 · May/June 2023 · Q231 Mark

Which statement about mRNA is correct?

AIt is a polymer made of nucleotides all joined with hydrogen bonds.
BEach nucleotide subunit contains the sugar ribose.
CIt always has an equal proportion of adenine and uracil.
DThe mRNA sequence is identical to the template strand of DNA.

✓ Correct answer

B: Each nucleotide subunit contains the sugar ribose.

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About this question

Topic
Nucleic acids and protein synthesis, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, May/June 2023 Paper 1 Variant 2, question 23.

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